Alert archive / Idaho / Tornado Warnings in 1993
Tornado Warning 3, NWS Boise, ID
NWS Boise, ID issued this tornado warning at Mar 17, 1993, 7:15 PM MST for Twin Falls County, Idaho. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Mar 17, 1993, 7:15 PM MST (02:15 UTC)
- Expired
- Mar 17, 1993, 7:55 PM MST
- In force
- 40 min
- Issued by
- NWS Boise, ID
- Area
- Whole counties
County Twin Falls County, ID
The nearest sounding before it
Boise Airport, ID (KBOI), launched 00:00Z, 2.3 hours before the alert went out and 184 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Mar 17, 3:06 PM MST, 4 hours 9 minutes before
IDZ004-006-007-010-012-180600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE ID 307 PM MST WED MAR 17 1993 ...HEAVY SNOW WARNING FOR THE MOUNTAINS OF CENTRAL IDAHO AND THE HIGHLANDS OF EASTERN IDAHO CANCELLED... THE NATIONAL WEATHER SERVICE HAS CANCELLED THE HEAVY SNOW WARNING FOR THE WEST CENTRAL MOUNTAINS...THE EAST CENTRAL MOUNTAINS...THE SOUTHEAST HIGHLANDS AND THE UPPER SNAKE RIVER HIGHLANDS. HEAVY SNOW IS NO LONGER EXPECTED TO ACCUMULATE IN THE ABOVE MENTIONED AREAS. THE STORM SYSTEM WHICH CAUSED THE SNOW IS MOVING EAST OF IDAHO. ALTHOUGH HEAVY SNOW ACCUMULATIONS ARE NO LONGER EXPECTED...LOCAL MODERATE ACCUMULATIONS ARE STILL LIKELY AS OCCASIONAL SNOW CONTINUES ABOVE 6000 FEET. ANYONE VENTURING OUT SHOULD BE PREPARED FOR SNOW COVERED ROADS IN THE ABOVE MENTIONED AREAS. MOTORISTS SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND ARE ADVISED TO CARRY EMERGENCY SUPPLIES IN CASE THEY BECOME STRANDED. LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS SOURCES FOR THE LATEST INFORMATION CONCERNING THIS STORM SITUATION. END...WSFO BOI/LW
Special weather statement, Mar 17, 3:41 PM MST, 3 hours 34 minutes before
IDZ001-005-006-180300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE IDAHO 345 PM MST WED MAR 17 1993 ...THUNDERSHOWERS MOVING THROUGH MALHEUR COUNTY IN EASTERN OREGON AND SOUTHWEST IDAHO... THUNDERSHOWERS HAVE BEEN REPORTED IN MALHEUR COUNTY IN OREGON AND IN SOUTHWEST IDAHO. THESE THUNDERSHOWERS INCLUDE LOCALLY HEAVY RAIN... CLOUD TO GROUND LIGHTNING AND SOME SMALL STREAM FLOODING LATE THIS AFTERNOON. REPORTS FROM MALHEUR COUNTY INDICATE THAT SOME SMALL STREAMS ARE AT BANKFULL LEVELS. THE THUNDERSHOWERS ARE EXPECTED TO DECREASE LATER THIS EVENING. PERSONS IN MALHEUR COUNTY AND SOUTHWEST IDAHO SHOULD BE ALERT TO THE DANGERS OF CLOUD TO GROUND LIGHTNING AND BRIEF HEAVY R*AIN THAT COULD CAUSE RAPID RISES IN SMALL STREAMS AND CREEKS. CONTINUE TO MONITOR NOAA WEATHER RADIO OR OTHER NEWS SOURCE FOR THE LATEST INFORMATION. END...WSFO BOISE/MLM
The office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 5:10 PM MST | Tornado Warning | BOI | Jerome, Twin Falls | 35 min |
| Mar 17, 5:10 PM MST | Tornado Warning | BOI | Lincoln | 35 min |
Nearby
Tornado Warnings in Idaho, 1993Every tornado warning in 1993Tornadoes in 1993
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.